NPR's Pam Fessler, who is heading our coverage of the death of, and memorials for, Sen. Edward M. Kennedy (D-MA), sent us some information from Kennedy's staff, about what will happen tonight:

After traveling from Hyannis Port, Mass., through downtown Boston, Kennedy will arrive at the John F. Kennedy Library and Museum at 4:45 p.m. ET. According to Kennedy's senate staff, 85 family members traveled in the motorcade.

Father J. Donald Monan, S.J., formerly the president of Boston College, will greet the motorcade when it arrives in Dorchester. He will also lead the family in prayer.

At 6:00 p.m. ET, the public will be allowed to enter the building, to pay their respects to Kennedy and his family. Friends, family, and staff members will sit vigil with Kennedy until he is moved to the Basilica of Our Lady of Perpetual Help on Saturday.